Airtac SEJ Adjustable Cylinder SEJ50BX75-40S
2. Asymmetric bidirectional piston seal structure with compact dimensions and integrated oil reservoir function;
3. Rodless square aluminum tubing construction enhances corrosion resistance;
4. Adjustable cushioning mechanism ensures smooth stroke modulation;
5. Customizable configurations with multiple cylinder variants and mounting accessories;
6. High-temperature resistant sealing materials enable operational range of 0-150°C.
Category: Adjustable Cylinders | Brand: AirTAC | Series: SEJ
AirTAC SEJ50BX75-40S Adjustable Cylinder Specifications
- Model: SEJ50BX75-40S
- Type: Double-rod adjustable stroke cylinder
- Bore size: 50mm
- Stroke: 75mm (adjustable within 0-75mm range)
- Operating pressure: 0.05–0.9 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning type: Adjustable rubber buffer (both ends)
- Mounting style: Basic type (axial foot mounting)
- Port size: M5×0.8 (standard) or NPT1/8 (optional)
- Weight: 2.8kg ±3%
- Dimensions:
- Length (retracted): 194mm
- Width (body): 50mm
- Height (with rods): 88mm
- Rod material: Chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Optional accessories: Magnetic piston version (add "-M" suffix)
Precision double-rod cylinder featuring external stroke adjustment mechanism with ±0.5mm repeatability. The dual guide rods ensure exceptional lateral load resistance (max 15N·m moment capacity) while maintaining smooth operation at speeds up to 1.5m/s. Includes built-in locknuts for position retention after adjustment.
- Precision workpiece positioning in CNC tool changers
- Clamping force adjustment in plastic injection molds
- Variable height stops in conveyor sorting systems
- Multi-position fixturing for automotive welding jigs
- Stroke calibration in semiconductor handling equipment
Operation note:
Always depressurize before adjusting stroke. Lubricate adjustment threads monthly with ISO VG32 hydraulic oil.
Avoid exceeding 80% of max pressure during high-frequency cycling (>3Hz).
| Property | Property Value |
|---|---|
| sku | SEJ50BX75-40S |
| Adjustable Stroke | <40mm> |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature:-20-70°C Speed Range:30-800mm/s |
| Port Size | PT1/4 |
| Magnet | S-Magnetic |
| Bore Diameter | <50mm> |
| Stroke | 75mm |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.